{"id":2930,"date":"2024-05-20T07:54:51","date_gmt":"2024-05-20T05:54:51","guid":{"rendered":"http:\/\/odabrano.com\/?p=2930"},"modified":"2024-05-20T13:13:51","modified_gmt":"2024-05-20T11:13:51","slug":"vasa-1","status":"publish","type":"post","link":"https:\/\/odabrano.com\/index.php\/2024\/05\/20\/vasa-1\/","title":{"rendered":"VASA-1 generator realisti\u010dnih lica koja govore u stvarnom vremenu"},"content":{"rendered":"\n<p>Napomena: Sve portretne slike na ovoj stranici su virtualni, nepostoje\u0107i identiteti generirani pomo\u0107u StyleGAN2 ili <a href=\"https:\/\/www.bug.hr\/umjetna-inteligencija\/sada-mozete-i-sami-iskusati-novi-ai-generator-slika-na-temelju-teksta-27712\">DALL\u00b7E-3<\/a>.<\/p>\n\n\n<p><video src=\"https:\/\/vasavatar.github.io\/VASA-1\/video\/o2.mp4\" controls=\"controls\" width=\"280\" height=\"300\"><\/video><br \/><!-- \/wp:post-content --><br \/><video src=\"https:\/\/vasavatar.github.io\/VASA-1\/video\/o6.mp4\" controls=\"controls\" width=\"280\" height=\"300\"><\/video><br \/><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Microsoft VASA, okvir za generiranje realisti\u010dnih lica virtualnih likova s privla\u010dnim vizualnim afektivnim vje\u0161tinama (VAS) koriste\u0107i jednu stati\u010dnu sliku i audio zapis govora. Na\u0161 prvi model, VASA-1, ne samo da mo\u017ee proizvoditi pokrete usana koji su savr\u0161eno uskla\u0111eni s audio zapisom, ve\u0107 tako\u0111er hvata \u0161irok spektar facijalnih nijansi i prirodnih pokreta glave koji pridonose percepciji autenti\u010dnosti i \u017eivosti. Klju\u010dne inovacije uklju\u010duju sveobuhvatan model generiranja facijalne dinamike i pokreta glave koji djeluje u latentnom prostoru lica, kao i razvoj tako izra\u017eajnog i razdvojenog latentnog prostora lica koriste\u0107i videozapise. Kroz opse\u017ene eksperimente, uklju\u010duju\u0107i evaluaciju na setu novih metrika, pokazujemo da na\u0161a metoda zna\u010dajno nadma\u0161uje prethodne metode u raznim dimenzijama. Na\u0161a metoda ne samo da pru\u017ea visokokvalitetne videozapise s realisti\u010dnom facijalnom i dinamikom glave, ve\u0107 tako\u0111er podr\u017eava online generiranje videozapisa rezolucije 512&#215;512 piksela do 40 FPS uz neznatnu po\u010detnu latenciju. Ovaj rad otvara put za stvarne interakcije s realisti\u010dnim avatarima koji opona\u0161aju ljudsko konverzacijsko pona\u0161anje.<\/p>\n<p><!-- \/wp:paragraph --><!-- \/wp:paragraph --><br \/><video src=\"https:\/\/vasavatar.github.io\/VASA-1\/video\/l5.mp4\" controls=\"controls\" width=\"280\" height=\"300\"><\/video><br \/><!-- \/wp:paragraph --><br \/><video src=\"https:\/\/vasavatar.github.io\/VASA-1\/video\/l8.mp4\" controls=\"controls\" width=\"280\" height=\"300\"><\/video><br \/><!-- \/wp:paragraph --><br \/><video src=\"https:\/\/vasavatar.github.io\/VASA-1\/video\/l3.mp4\" controls=\"controls\" width=\"280\" height=\"300\"><\/video><br \/><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Realizam i \u017eivost<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Na\u0161a metoda ne samo da proizvodi preciznu sinkronizaciju usana i zvuka, ve\u0107 tako\u0111er generira \u0161irok spektar izra\u017eajnih facijalnih nijansi i prirodnih pokreta glave. Mo\u017ee obraditi audio zapise proizvoljne duljine i stabilno izvesti besprijekorne videozapise govore\u0107ih lica.<\/p>\n<p><!-- \/wp:paragraph --><!-- \/wp:paragraph --><br \/><video src=\"https:\/\/vasavatar.github.io\/VASA-1\/video\/same_latent.mp4\" controls=\"controls\" width=\"100%\" height=\"100%\"><\/video><br \/><!-- wp:heading {\"level\":3} --><\/p>\n<h3 class=\"wp-block-heading\">Rizici i razmatranja odgovorne AI tehnologije<\/h3>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Na\u0161e istra\u017eivanje fokusira se na generiranje vizualnih afektivnih vje\u0161tina za virtualne AI avatare, s ciljem pozitivnih primjena. Nije namijenjeno stvaranju sadr\u017eaja koji se koristi za zavaravanje ili obmanjivanje. Me\u0111utim, kao i druge tehnike generiranja sadr\u017eaja, potencijalno bi se moglo zloupotrijebiti za opona\u0161anje ljudi. Protivimo se bilo kakvom pona\u0161anju koje bi stvorilo obmanjuju\u0107i ili \u0161tetan sadr\u017eaj stvarnih osoba, i zainteresirani smo za primjenu na\u0161e tehnike u unapre\u0111enju detekcije krivotvorina. Trenutno, videozapisi generirani ovom metodom jo\u0161 uvijek sadr\u017ee prepoznatljive artefakte, a numeri\u010dka analiza pokazuje da jo\u0161 uvijek postoji razlika u postizanju autenti\u010dnosti stvarnih videozapisa.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>Iako priznajemo mogu\u0107nost zloupotrebe, va\u017eno je prepoznati zna\u010dajan pozitivan potencijal na\u0161e tehnike. Prednosti \u2013 kao \u0161to su pobolj\u0161anje obrazovne jednakosti, unapre\u0111enje pristupa\u010dnosti za osobe s komunikacijskim pote\u0161ko\u0107ama, pru\u017eanje dru\u0161tva ili terapeutske podr\u0161ke onima kojima je potrebna, me\u0111u mnogim drugima \u2013 nagla\u0161avaju va\u017enost na\u0161eg istra\u017eivanja i drugih sli\u010dnih istra\u017eivanja. Posve\u0107eni smo razvoju AI tehnologije na odgovoran na\u010din, s ciljem unapre\u0111enja dobrobiti ljudi.<\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:paragraph --><\/p>\n<p>S obzirom na taj kontekst, nemamo planove za objavljivanje online demonstracije, API-ja, proizvoda, dodatnih detalja o implementaciji ili bilo kojih povezanih ponuda dok ne budemo sigurni da \u0107e tehnologija biti kori\u0161tena odgovorno i u skladu s odgovaraju\u0107im propisima.<\/p>\n<p><!-- \/wp:paragraph --><\/p>","protected":false},"excerpt":{"rendered":"<p>Napomena: Sve portretne slike na ovoj stranici su virtualni, nepostoje\u0107i identiteti generirani pomo\u0107u StyleGAN2 ili DALL\u00b7E-3. Microsoft VASA, okvir za generiranje realisti\u010dnih lica virtualnih likova s privla\u010dnim vizualnim afektivnim vje\u0161tinama (VAS) koriste\u0107i jednu stati\u010dnu sliku i audio zapis govora. Na\u0161 prvi model, VASA-1, ne samo da mo\u017ee proizvoditi pokrete usana koji su savr\u0161eno uskla\u0111eni s &hellip;<\/p>\n","protected":false},"author":1,"featured_media":2961,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[615],"tags":[269,624,625,623],"class_list":["post-2930","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-tehno","tag-ai","tag-generator-lica","tag-microsoft","tag-vasa-1"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VASA-1 generator realisti\u010dnih lica koja govore u stvarnom vremenu - odabrano<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/odabrano.com\/index.php\/2024\/05\/20\/vasa-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VASA-1 generator realisti\u010dnih lica koja govore u stvarnom vremenu - odabrano\" \/>\n<meta property=\"og:description\" content=\"Napomena: Sve portretne slike na ovoj stranici su virtualni, nepostoje\u0107i identiteti generirani pomo\u0107u StyleGAN2 ili DALL\u00b7E-3. 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